Railway jack for railway track maintenance

Abstract

The utility model discloses a track jack for railway track maintenance, which comprises a support frame and a hydraulic cylinder, an L-shaped plate is slidably connected in the support frame, a support component is arranged behind the L-shaped plate and is used for sharing the pressure on the hydraulic cylinder, an anti-deviation component is arranged in front of the L-shaped plate, and the anti-deviation component is used for adjusting the pressure on the hydraulic cylinder. The anti-deviation assembly is used for preventing the whole device from deviating; the supporting assembly comprises a sliding rod, the sliding rod is fixedly connected with the bottom of the inner side of the L-shaped plate, and a plurality of limiting tooth grooves are formed in the sliding rod from top to bottom at equal intervals. According to the track jack for railway track maintenance, after the track is lifted through the hydraulic cylinder, the sliding rod is supported through the limiting block in the limiting assembly, so that the pressure borne by the hydraulic cylinder is shared, the pressure borne by the hydraulic cylinder is reduced, long-time use of the hydraulic cylinder is facilitated, and the limiting supporting force can be adjusted through the limiting nut.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway track maintenance technical field, concretely is a railway track maintenance with a track jack. BACKGROUND

[0002] Railway track under the long -term stress of train, can lead to track height bad, influence train operation safety, and railway department is many in the steel rail under the pad combination method to adjust the level of two steel rails, to reach the line operation standard, and the track jack is suitable for railway track track maintenance special tool.

[0003] Reference patent announcement No. "CN221218334U" discloses a railway track maintenance with a track jack, including: main frame, the bottom plate one side of main frame is provided with mounting groove;Hydraulic cylinder, hydraulic cylinder is fixedly arranged on the bottom plate one side of main frame and the lower end is inserted into the mounting groove;L-shaped backing plate, L-shaped backing plate is slidably arranged on the side of main frame away from hydraulic cylinder;The output end of hydraulic cylinder is fixedly provided with a connecting plate, and the end away from the hydraulic cylinder of connecting plate is fixedly connected with the upper end of L-shaped backing plate.

[0004] As shown in the above technology, the existing railway track maintenance with a track jack is lifted by hydraulic cylinder in use, and the worker carries out maintenance operation after lifting, and the track jack supports the track for a long time during maintenance operation, so that the hydraulic cylinder will be subjected to great pressure, and the hydraulic cylinder may leak oil or even be damaged after long-term use. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a railway track maintenance with a track jack, which solves the problem of hydraulic cylinder damage of the existing railway track maintenance with a track jack under great pressure.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a railway track maintenance with a track jack includes a support frame and a hydraulic cylinder, the inside of the support frame is slidably connected with an L-shaped plate, the rear of the L-shaped plate is provided with a support assembly, and the support assembly is used for sharing the pressure received by the hydraulic cylinder, the front of the L-shaped plate is provided with an anti-deviation assembly, and the anti-deviation assembly is used for preventing the whole device from deviating;

[0007] The support assembly includes a sliding rod, the sliding rod is fixedly connected with the bottom of the inner side of the L-shaped plate, a plurality of limiting tooth grooves are equidistantly arranged in the inside of the sliding rod from top to bottom, a fixed seat is fixedly connected to the top of the support frame, an intermediate rod is fixedly connected in the inside of the fixed seat, and a limiting block is rotatably connected to the surface of the intermediate rod.

[0008] Preferably, a surface sleeve of the intermediate rod inside the limiting block is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the surface of the intermediate rod, and the other end of the torsion spring is fixedly connected with the limiting block.

[0009] Preferably, the top rear of the fixing seat is fixedly connected with a bolt rod, a guide groove is formed in the inside of the limiting block, and the bolt rod passes through the guide groove, a limiting nut is threadedly connected with the surface of the bolt rod above the limiting block, and rotating the limiting nut changes the height of the limiting nut to limit the limiting block.

[0010] Preferably, the anti-deviation assembly comprises a T-shaped groove formed in the front of the L-shaped plate, a T-shaped block is slidably connected with the inner surface of the T-shaped groove, the front of the T-shaped block is fixedly connected with a T-shaped sliding rod, and the surface of the T-shaped sliding rod is sleeved with a sliding sleeve.

[0011] Preferably, the surface of the T-shaped sliding rod inside the sliding sleeve is sleeved with a limiting spring, one end of the sliding sleeve is fixedly connected with a U-shaped plate, and the U-shaped plate is used for sleeving onto the track.

[0012] Preferably, the hydraulic cylinder is fixedly connected with the top of the supporting frame, the telescopic end of the hydraulic cylinder is fixedly connected with the bottom of the L-shaped plate, and the front of the L-shaped plate is fixedly connected with a lifting plate below.

[0013] Beneficial effects

[0014] The utility model provides a railway track maintenance with a track lifter. Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、the railway track maintenance with the track lifter, through the supporting assembly including the slide, the slide is fixedly connected with the bottom of the inside of L-shaped plate, a plurality of limiting tooth grooves are formed in the inside of the slide from top to bottom equidistance, the top of the supporting frame is fixedly connected with the fixed seat, after the track is lifted by the hydraulic cylinder, the slide is supported by the limiting block in the limiting assembly, so that the pressure received by the hydraulic cylinder is shared, thereby reducing the pressure received by the hydraulic cylinder, which is conducive to the long -term use of the hydraulic cylinder, and the supporting force of the limiting can be adjusted through the limiting nut, and the reliability of the device during use is improved.

[0016] 2、the railway track maintenance with the track lifter, through the anti-deviation assembly including the T-shaped groove formed in the front of the L-shaped plate, the inner surface of the T-shaped groove is slidably connected with the T-shaped block, the front of the T-shaped block is fixedly connected with the T-shaped sliding rod, when the track is lifted, the U-shaped plate is sleeved on the track, so that the problem of large deviation of the track lifter body in the process of lifting the track is prevented, and the stability of the device during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance schematic drawing of the utility model;

[0018] Figure 2 is a partial view of the utility model;

[0019] Figure 3 is a view of the anti-deviation assembly of the utility model;

[0020] Figure 4 is a partial view of the support and stabilization assembly of the utility model.

[0021] In the figure: 1, support frame; 2, hydraulic cylinder; 3, L-shaped plate; 4, lifting plate; 5, support assembly; 51, sliding rod; 52, limiting tooth groove; 53, fixing seat; 54, intermediate rod; 55, limiting block; 56, torsional spring; 57, guide groove; 58, bolt rod; 59, limiting nut; 6, anti-deviation assembly; 61, T-shaped groove; 62, T-shaped block; 63, T-shaped sliding rod; 64, sliding sleeve; 65, limiting spring; 66, U-shaped plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The track-lifting device for railway track maintenance provides two technical solutions:

[0024] The first implementation: including support frame 1 and hydraulic cylinder 2, hydraulic cylinder 2 and the top of support frame 1 are fixedly connected, the telescopic end of hydraulic cylinder 2 is fixedly connected with the bottom of L-shaped plate 3, the front of L-shaped plate 3 is fixedly connected with lifting plate 4 below, L-shaped plate 3 is slidably connected in the inside of support frame 1, support assembly 5 is arranged at the rear of L-shaped plate 3, and support assembly 5 is used for sharing the pressure received by hydraulic cylinder 2, support assembly 5 comprises slide rod 51, the bottom of the inside of L-shaped plate 3 is fixedly connected with slide rod 51, a plurality of limiting tooth grooves 52 are equidistantly arranged in the inside of slide rod 51 from top to bottom, fixed seat 53 is fixedly connected with the top of support frame 1, intermediate rod 54 is fixedly connected in the inside of fixed seat 53, limiting block 55 is rotatably connected with the surface of intermediate rod 54, torsion spring 56 is sleeved with the surface of intermediate rod 54 in the inside of limiting block 55, one end of torsion spring 56 is fixedly connected with the surface of intermediate rod 54, the other end of torsion spring 56 is fixedly connected with limiting block 55, bolt rod 58 is fixedly connected with the top of fixed seat 53 rear, guide groove 57 is arranged in the inside of limiting block 55, and bolt rod 58 passes through guide groove 57, limiting nut 59 is threadedly connected with the surface of bolt rod 58 above limiting block 55, and the height of limiting nut 59 is changed by rotating limiting nut 59 to limit limiting block 55.

[0025] After the track is lifted by hydraulic cylinder 2, the support of slide rod 51 by limiting block 55 in limiting assembly 5 makes the pressure received by hydraulic cylinder 2 shared, thereby reducing the pressure received by hydraulic cylinder 2, which is beneficial to the long-time use of hydraulic cylinder 2, and the supporting force of limiting can be adjusted by limiting nut 59, thereby improving the reliability of the device in use.

[0026] The second implementation, the main difference from the first implementation is that: the front of L-shaped plate 3 is provided with anti-deviation assembly 6, and anti-deviation assembly 6 is used for preventing the whole device from deviating, anti-deviation assembly 6 comprises T-shaped groove 61 arranged on the front of L-shaped plate 3, T-shaped block 62 is slidably connected with the inner surface of T-shaped groove 61, T-shaped slide rod 63 is fixedly connected with the front of T-shaped block 62, slide sleeve 64 is sleeved with the surface of T-shaped slide rod 63, limiting spring 65 is sleeved with the surface of T-shaped slide rod 63 in the inside of slide sleeve 64, U-shaped plate 66 is fixedly connected with one end of slide sleeve 64, and U-shaped plate 66 is used for sleeving on the track.

[0027] When the track is lifted, U-shaped plate 66 is sleeved on the track, thereby preventing the main body of the track lifting device from deviating greatly during the lifting of the track, and improving the stability of the device in use.

[0028] In use, the lifting plate 4 is placed under the track, and the U-shaped plate 66 is moved to be sleeved over the track, the hydraulic cylinder 2 is started, and the track is lifted by the lifting plate 4, in the lifting process, the limiting tooth groove 52 pushes the limiting block 55 to rotate, and passes the position of a limiting tooth groove 52, after the sliding rod 51 stops moving, the end of the limiting block 55 is driven by the torsional spring 56 to enter the inside of the limiting tooth groove 52, thereby supporting the sliding rod 51, i.e. supporting the L-shaped plate 3, and the limiting nut 59 is rotated to move downward, the limiting nut 59 moves and presses the limiting block 55, so that the supporting force of the limiting block 55 is increased.

[0029] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A track maintenance rail lifter comprising a support frame (1) and a hydraulic cylinder (2), characterized in that: The inside of the support frame (1) is slidably connected with an L-shaped plate (3), the rear of the L-shaped plate (3) is provided with a support assembly (5), and the support assembly (5) is used for sharing the pressure received by the hydraulic cylinder (2), the front of the L-shaped plate (3) is provided with an anti-deviation assembly (6), and the anti-deviation assembly (6) is used for preventing the whole device from deviating; The support assembly (5) comprises a sliding rod (51) fixedly connected with the bottom of the inner side of the L-shaped plate (3), a plurality of limiting tooth grooves (52) are equidistantly arranged inside the sliding rod (51) from top to bottom, a fixed seat (53) is fixedly connected to the top of the support frame (1), and an intermediate rod (54) is fixedly connected inside the fixed seat (53), and a limiting block (55) is rotatably connected to the surface of the intermediate rod (54).

2. The rail track maintenance rail lifter according to claim 1, characterized in that: The surface of the intermediate rod (54) inside the limiting block (55) is sleeved with a torsional spring (56), one end of the torsional spring (56) is fixedly connected with the surface of the intermediate rod (54), and the other end of the torsional spring (56) is fixedly connected with the limiting block (55).

3. The rail track maintenance rail lifter according to claim 1, characterized in that: The top of the rear of the fixed seat (53) is fixedly connected with a bolt rod (58), the inside of the limiting block (55) is provided with a guide groove (57), and the bolt rod (58) passes through the guide groove (57), the surface of the bolt rod (58) above the limiting block (55) is threadedly connected with a limiting nut (59), and rotating the limiting nut (59) changes the height of the limiting nut (59) to limit the limiting block (55).

4. The rail track maintenance rail lifter according to claim 1, characterized in that: The anti-deviation assembly (6) comprises a T-shaped groove (61) opened in the front of the L-shaped plate (3), a T-shaped block (62) is slidably connected to the inner surface of the T-shaped groove (61), a T-shaped sliding rod (63) is fixedly connected to the front of the T-shaped block (62), and a sliding sleeve (64) is sleeved on the surface of the T-shaped sliding rod (63).

5. A rail track maintenance rail lifter as claimed in claim 4 wherein: The surface of the T-shaped sliding rod (63) inside the sliding sleeve (64) is sleeved with a limiting spring (65), one end of the sliding sleeve (64) is fixedly connected with a U-shaped plate (66), and the U-shaped plate (66) is used for sleeving on the track.

6. The rail track maintenance rail lifter according to claim 1, characterized in that: The hydraulic cylinder (2) is fixedly connected to the top of the support frame (1), the telescopic end of the hydraulic cylinder (2) is fixedly connected to the bottom of the L-shaped plate (3), and the L-shaped plate (3) is fixedly connected with a lifting plate (4) below the front.

Images